html, body
  font-size 12px
  line-height 1
  font-weight 200
  -webkit-tap-highlight-color transparent
  -webkit-user-select none
  font-family PingFang SC, STHeitiSC-Light, Helvetica-Light, arial, sans-serif, Droid Sans Fallback
  user-select none
@media (-webkit-min-device-pixel-ratio: 2) and (-webkit-max-device-pixel-ratio: 2.4), (min-device-pixel-ratio: 2) and (max-device-pixel-ratio: 2.4)
  .border-1px-bottom, .border-1px-top
    &:after, &:before
      transform scaleY(0.6)
      -webkit-transform scaleY(0.6)
@media (-webkit-min-device-pixel-ratio: 2.5) and (-webkit-max-device-pixel-ratio: 2.8), (min-device-pixel-ratio: 2.5) and (max-device-pixel-ratio: 2.8)
  .border-1px-bottom, .border-1px-top
    &:after
      transform scaleY(0.5)
      -webkit-transform scaleY(0.5)
@media (-webkit-min-device-pixel-ratio: 2.9) and (-webkit-max-device-pixel-ratio: 3.5), (min-device-pixel-ratio: 2.9) and (max-device-pixel-ratio: 3.5)
  .border-1px-bottom, .border-1px-top
    &:after, &:before
      transform scaleY(0.35)
      -webkit-transform scaleY(0.35)
@media (-webkit-min-device-pixel-ratio: 2) and (-webkit-max-device-pixel-ratio: 2.4), (min-device-pixel-ratio: 2) and (max-device-pixel-ratio: 2.4)
  .border-1px-right, .border-1px-left
    &:after, &:before
      transform scaleX(0.7)
      -webkit-transform scaleX(0.7)
@media (-webkit-min-device-pixel-ratio: 2.5) and (-webkit-max-device-pixel-ratio: 2.8), (min-device-pixel-ratio: 2.5) and (max-device-pixel-ratio: 2.8)
  .border-1px-right, .border-1px-left
    &:after
      transform scaleX(0.6)
      -webkit-transform scaleX(0.6)
@media (-webkit-min-device-pixel-ratio: 2.9) and (-webkit-max-device-pixel-ratio: 3.5), (min-device-pixel-ratio: 2.9) and (max-device-pixel-ratio: 3.5)
  .border-1px-right, .border-1px-left
    &:after, &:before
      transform scaleX(0.5)
      -webkit-transform scaleX(0.5)
a
  background-color transparent
  -webkit-tap-highlight-color rgba(0, 0, 0, 0)
  -moz-tap-highlight-color rgba(0, 0, 0, 0)
  -ms-tap-highlight-color rgba(0, 0, 0, 0)
  -o-tap-highlight-color rgba(0, 0, 0, 0)
  tap-highlight-color rgba(0, 0, 0, 0)
  -webkit-user-select none
  -moz-user-select none
  -ms-user-select none
  user-select none
  &:active
    background-color transparent
    -webkit-tap-highlight-color rgba(0, 0, 0, 0)
    -moz-tap-highlight-color rgba(0, 0, 0, 0)
    -ms-tap-highlight-color rgba(0, 0, 0, 0)
    -o-tap-highlight-color rgba(0, 0, 0, 0)
    tap-highlight-color rgba(0, 0, 0, 0)
    -webkit-user-select none
    -moz-user-select none
    -ms-user-select none
    user-select none
